Free Claude skills for hobbies

Fifteen free, MIT licensed Claude skills, one per hobby, from What If Labs.

View the Project on GitHub WhosBert/claude-hobby-skills

Free Claude skills for hobbies

Fifteen small, practical skills for Claude, one per hobby: gardening, woodworking, quilting, knitting, genealogy, homebrewing, ham radio, birding, aquariums, RV travel, homeschooling, youth coaching, tabletop RPGs, home maintenance and sermon prep.

Each one does a single job well, like turning your frost date into a planting calendar or working out quilt yardage. They’re free and MIT licensed.

Skill What it does ZIP Full version
Seed & Season Frost Calendar A small skill that turns your frost date into a seed-starting and planting calendar for up to 8 crops. Download garden.whatiflabs.ai
Cut & Joint Cut List A small skill that turns a simple project (box, shelf, bookcase, bench, frame) into a cut list and a board-foot or plywood estimate. Download wood.whatiflabs.ai
Fix List Seasonal Checklist A small skill that builds this season’s home maintenance checklist for your home type, systems and climate. Download home.whatiflabs.ai
Kin & Record Record Reader A small skill that transcribes one record, pulls out every fact, classifies the evidence and writes a citation. Download kin.whatiflabs.ai
Rig Ready Checklists A small skill that builds departure and arrival checklists for your exact rig, ready to print. Download rv.whatiflabs.ai
Sideline Practice Plan A small skill that writes one timed, kid-first practice plan for your sport, age group, space and equipment. Download coach.whatiflabs.ai
Home Room Week Planner A small skill that builds one realistic homeschool week for all your kids, with a minimum-day backup. Download homeschool.whatiflabs.ai
Quarter Inch Yardage Calculator A small skill that works out backing, binding and batting for any quilt, plus strips and yards for a set of cut pieces. Download quilt.whatiflabs.ai
Study Desk Passage Study A small skill that builds a one-page study sheet for a single passage, ready for sermon prep or a Bible study. Download pastor.whatiflabs.ai
Session Zero Session Recap A small skill that turns your messy notes into a read-aloud recap plus a list of open threads, clues and NPC changes. Download gm.whatiflabs.ai
Reef & Root Cycle Coach A small skill that walks you through cycling a new tank, reads your test results and tells you when it’s safe to add fish. Download reef.whatiflabs.ai
Cast On Gauge Calculator A small skill that turns your swatch into gauge, shows how big your project will really be, and works out how many skeins to buy. Download knit.whatiflabs.ai
Life List ID Helper A small skill that asks the right questions about a bird you saw or heard, gives the most likely species with an honest confidence level, and says whether it’s safe to count. Download birding.whatiflabs.ai
Shack Book Antenna Calculator A small skill that works out starting lengths for dipoles and verticals in feet and meters, explains how to trim for low SWR, and checks the frequency against your license. Download ham.whatiflabs.ai
Brew Day Recipe Calculator A small skill that takes your recipe and works out estimated OG, FG, ABV, IBU and color, shows the working and compares it to your target style. Download brew.whatiflabs.ai

Install a skill

  1. Download the ZIP for the skill you want (don’t unzip it).
  2. In Claude on the web or desktop, open Customize, then Skills, click +, choose Upload a skill and pick the ZIP. One ZIP per upload.
  3. Turn on code execution in Settings, Capabilities if it isn’t already. Any Claude plan works, including free.
  4. Ask a normal question. Claude uses the skill when it fits.

For Claude Code, copy a folder from skills/ into ~/.claude/skills/.

Free browser tools

Each store also has a free calculator that runs in your browser, no sign-up:

Who made these

What If Labs, a small studio in British Columbia, Canada. Each skill links to a fuller paid version at its store, but the free ones here are complete and yours to keep.

Questions or fixes: open an issue, or email support@whatiflabs.ai.

These are independent products and are not affiliated with or endorsed by Anthropic.